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Topic Review
Biography
Topic Review
Surface Treatment in PDMS-Microfluidic Devices
Microfluidic lab-on-a-chip cell culture techniques have been gaining popularity by offering the possibility of reducing the amount of samples and reagents with greater control over the cellular microenvironment. Polydimethylsiloxane (PDMS) is the commonly used polymer for microfluidic cell culture devices because of the cheap and easy fabrication techniques, non-toxicity, biocompatibility, high gas permeability, and optical transparency.
2.9K
07 Dec 2021
Topic Review
Creatine in Post-Viral Fatigue Syndrome
Post-viral fatigue syndrome (PVFS) is a widespread chronic neurological disease with no definite etiological factor(s), no actual diagnostic test, and no approved pharmacological treatment, therapy, or cure.
2.9K
10 Feb 2021
Topic Review
Sport Tourism
We define participatory sport event tourism as travel behavior in which people use leisure time to go to a destination to achieve the purpose of participating in sport events and obtain unique experiences. The tourism process integrates competition, entertainment, experience, health benefits, among others.
2.9K
11 Nov 2021
Topic Review
Agri-Food Waste
Agri-Food Waste (AFW) originates throughout the whole food supply chain, from production to post-harvesting, industrial processing, distribution, domestic processing, and consumption, with wastage volumes differing among phases and food commodities. Conventional management of food waste encompasses production of renewable energy, animal feeds, and compost. Alternative pathways include the valorization of food waste as a source of bioactive compounds, such as phenolic compounds, to be used as functional food ingredients or nutraceuticals. Drying and size reduction techniques, extraction methods, and fermentation are the main strategies to turn AFW into functional ingredients.
2.9K
18 Dec 2020
Topic Review
Thin-Film Magnetoelastic Materials Based Devices
Thin-film magnetoelastic materials, which couple the magnetization and strain together, have recently attracted ever-increasing attention due to their key roles in magnetoelectric applications. This review starts with the fabrication and characterization techniques in the field of magnetoelastic materials and introduces various kinds of devices utilizing ME effect.
2.9K
04 Nov 2020
Topic Review
Detection and Diagnosis of SARS-CoV-2/COVID-19
Latest weeks the humanity is faced with the spread of a new coronavirus, SARS-CoV-2 that causes a respiratory illness with high mortality rates, COVID-19. Since there is no approved treatment or vaccination against that specific coronavirus the reduce in virus spread is essential. That is based in the use of appropriate tools, enabling the accurate and early detection. Molecular biology and immunological techniques are widely used in order to predict the COVID-19 cases in a very short period of time. These are commonly based either in identification of the SARS-CoV-2’s genetic material or in detection of antibodies that have been produced by the immune system against the virus. Many of the above mentioned tests have been validated and approved by local authorities. However, there are much more companies that provide detection tests, without basic validation processes, contributing in non-precise data. The present review aim to analyze the most common platforms that are used in COVID-19 detection, analyzing their advantages and weaknesses. Therefore, each physician will be equipped with appropriate information required for each test.
2.9K
29 Oct 2020
Topic Review
Ring Expansion and Ring Contraction
Ring expansion and ring contraction reactions in the course of organic synthesis refer to a set of reactions which can lead to the expansion or contraction of an existing ring. This often makes it possible to access structures that would be difficult if not impossible to synthesise with single cyclization reactions. Ring expansions are valuable because they allow access to larger systems that are difficult to synthesize through a single cyclization due to the slow rate of formation. Ring contractions are useful for making smaller, more strained rings from larger rings. Expansions are classified by the mechanism of expansion and the atom(s) added; contractions are characterized simply by the reactive intermediate which performs the contraction.
2.9K
01 Dec 2022
Topic Review
Autodidacticism
Autodidacticism (also autodidactism) or self-education (also self-learning and self-teaching) is education without the guidance of masters (such as teachers and professors) or institutions (such as schools). Generally, autodidacts are individuals who choose the subject they will study, their studying material, and the studying rhythm and time. Autodidacts may or may not have formal education, and their study may be either a complement or an alternative to formal education. Many notable contributions have been made by autodidacts.
2.9K
14 Oct 2022
Topic Review
Chemical Extraction of Chitosan from Shrimp Shells
The extraction of chitin and chitosan from raw shrimp wastes through three major processes: demineralization, deproteinization, and deacetylation. Chitin can be recovered from shrimp shells by removing minerals and proteins under diluted acidic and alkaline treatment, followed by a concentrated alkaline treatment to remove acetyl groups and obtain chitosan.
2.9K
01 Nov 2022
Topic Review
Microgrid Applications
Microgrids need control and management at different levels to allow the inclusion of renewable energy sources. In this paper, a comprehensive literature review is presented to analyse the latest trends in research and development referring to the applications of predictive control in microgrids. As a result of this review, it was found that the application of predictive control techniques on microgrids is performed for the three control levels and with adaptations of the models in order to include uncertainties to improve their performance and dynamics response. In addition, to ensure system stability, but also, at higher control levels, coordinated operation among the microgrid’s components and synchronised and optimised operation with utility grids and electric power markets. Predictive control appears as a very promising control scheme with several advantages for microgrid applications of different control levels.
2.9K
28 Oct 2020
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